Pinpoint wiper tests (vehicles up to 08.2001)

A1: CHECK FUSE F55

1 Enter the OFF position.

2 CHECK Fuse F55 (CJB).

3 CHECK FUSE F55 (20 A)

• Is the fuse good?

→ Yes

Go to A2

→ No

Install new fuse F55 (20 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

A2: CHECK POWER SUPPLY OF F55 FUSE

1 Connect Fuse F55 (CJB).

2 Drive the ON position.

3 Measure the voltage between fuse F55 and "weight ".

• Does the battery voltage register?

→ Yes

Vehicles with rear window wipers: Go to A3

Vehicles without rear window wipers: Go to A5

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A3: CHECK F43 FUSE

1 Enter the OFF position.

2 CHECK Fuse F43 (CJB).

3 CHECK FUSE F43 (15 A)

• Is the fuse good?

→ Yes

Go to A4

→ No

Install new fuse F43 (15 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

A4: CHECK POWER SUPPLY OF F43 FUSE

1 Connect Fuse F43 (CJB).

2 Drive the ON position.

3 Measure the voltage between fuse F43 and "weight".

• Does the battery voltage register?

→ Yes

Go to A5

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A5: CHECK POWER SUPPLY OF WIPER/WASH SWITCH

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Wiper/Washer Switch - C441.

4 Drive the ON position.

5 Measure the voltage between pin 6 of C441 wiper/washer switch circuit 15-KA19 (green/orange), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Windshield wipers not working: Go to A6

Rear window wipers not working: Go to A8

→ No

REPAIR short circuit (I) between the wiper/washer switch and C17 CJB pin 1 using the wiring diagrams. CHECK the system is working properly.

A6: CHECK LOW SPEED POWER SUPPLY TO WINDSCREEN WIPER MOTOR

1 Enter the OFF position.

2 Connect Wiper/Washer Switch - C441.

3 Disconnect the Windshield Wiper Motor - C848.

4 Drive the ON position.

5 Set the wiper/washer switch to "LOW SPEED CLEANING".

6 Measure the voltage between pin 5 of the C848 windshield wiper motor circuit 32-KA10 (white/green), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Go to A7

→ No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

A7: CHECK WINDSHIELD WIPER MOTOR GROUND CONNECTION

1 Measure the resistance between C848 windshield wiper motor pin 1, circuit 31-KA9 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

→ Yes

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between the windshield wiper motor and "weight" G37 using the wiring diagrams. CHECK the system is working properly.

A8: CHECK GROUND CONNECTION OF REAR WIPER MOTOR

1 Enter the OFF position.

2 CHECK the ground connection of the rear window wiper motor housing.

• Is the ground connection correct?

→ Yes

Go to A9

→ No

REPAIR the ground connection between the rear window wiper motor housing and "weight". CHECK the system is working properly.

A9: CHECK REAR WIPER RELAY POWER SUPPLY

1 Connect Wiper/Washer Switch - C441.

2 Disconnect the Rear Wiper Relay - C1018.

3 Drive the ON position.

4 Measure the voltage between pin 5 of the C1018 rear window wiper relay and "weight".

• Does the battery voltage register?

→ Yes

Go to A10

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A10: INSPECT REAR WIPER RELAY CONTROL CIRCUIT

1 Measure the voltage between pin 1 of the C1018 rear window wiper relay and "weight".

• Does the battery voltage register?

→ Yes

Go to A11

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A11: INSPECT REAR WIPER RELAY

1 Test the rear window wiper relay according to the item test instructions included with this section.

• Relay OK?

→ Yes

Go to A12

→ No

INSTALL a new rear window wiper relay. CHECK the system is working properly.

A12: CHECK CJB

1 Enter the OFF position.

2 Connect Rear Wiper Relay - C1018.

3 Disconnect the central connection box (CJB).- C14.

4 Measure the resistance at the C14 CJB connector, between pin 3 and pin 10, on the CJB side.

• Is the resistance less than 2 ohms?

→ Yes

Go to A13

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A13: INSPECT GROUND CIRCUIT OF REAR WIPER RELAY

1 Enter the OFF position.

2 Measure the resistance between C14 CJB pin 3 on the wiring side, and "weight".

• Is the resistance less than 2 ohms?

→ Yes

Go to A14

→ No

REPAIR short circuit (I) between pin 3 C14 CJB and "weight" G14 using the wiring diagrams. CHECK the system is working properly.

A14: INSPECT REAR WIPER CONTROL CIRCUIT TO CTM

1 Drive the ON position.

2 Set the wiper/washer switch to "REAR WINDOW WIPER".

3 Measure the voltage between pin 5 C14 CJB, circuit 32-KA35 (white/red), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Go to A16

→ No

Go to A15

A15: CHECK WIPER/WASH SWITCH

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 Connect the jumper wire to connector C441 of the wiper/washer switch, between pin 6, circuit 15-KA19 (green/orange) and pin 5, electrical circuit 32-KA35 (white/red), from the side of the electrical wiring.

4 Drive the ON position.

5 Measure the voltage between pin 5 C14 CJB, circuit 32-KA35 (white/red), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between C14 CJB pin 5 and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

A16: CHECK CJB

1 Enter the OFF position.

2 Disconnect the Central Timer Module (CTM) - C1000.

3 Measure the resistance at the CJB between C14 pin 5 and C1000 CTM pin 28.

• Is the resistance less than 2 ohms?

→ Yes

Go to A17

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

A17: INSPECT ELECTRICAL CIRCUIT TO REAR WIPER MOTOR

1Connect Central Junction Box (CJB) - C14.

2 Connect the Central Timer Module (CTM) - C1000.

3 Disconnect the Rear Wiper Motor - C971.

4 Drive the ON position.

5 Measure the voltage between pin 1 of the C971 rear window wiper motor circuit 15-KA28 (green/blue), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Go to A18

→ No

REPAIR short circuit (I) between the wiper/washer switch and the rear window wiper motor using the wiring diagrams. CHECK the system is working properly.

A18: INSPECT WIPER OFF CIRCUIT TO REAR WIPER MOTOR

1 Set the wiper/washer switch to "REAR WINDOW WIPER".

2 Measure the voltage between pin 2 of the C971 rear window wiper motor circuit 32-KA28 (white/red), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

INSPECT the rear window wiper motor according to the Element Inspection instructions included with this section, INSTALL a new element if necessary. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between the wiper/washer switch and the rear window wiper motor using the wiring diagrams. CHECK the system is working properly.

B1: CHECK THE SYSTEM USING WDS

1 Check the system using WDS.

• Are any DTCs registered?

→ Yes

Process these codes. CHECK the system is working properly.

→ No

Rear window wipers running continuously: Go to B8

Windshield wipers running continuously: Go to B2

B2: CHECK FAULTY STATE

1 Enter the OFF position.

2 Disconnect Windshield Wiper Relay - C1019.

3 Drive the ON position.

4Check the windshield wipers.

• Are the windshield wipers running continuously?

→ Yes

Go to B6

→ No

Go to B3

B3: INSPECT WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO "MASS"

1 Enter the OFF position.

2 Measure the resistance between C1019 pin 2 of the windshield wiper relay and "weight".

• Is the resistance greater than 10 kΩ?

→ Yes

Go to B4

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

B4: INSPECT WINDSHIELD WIPER RELAY

1 INSPECT the windshield wiper relay according to the item test instructions included with this section.

• Relay OK?

→ Yes

Go to B5

→ No

INSTALL a new windshield wiper relay. CHECK the system is working properly.

B5: CHECK WIPER/WASHER SWITCH FUNCTIONS CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

→ Yes

REPAIR the short to power in the circuit connected to pin 10 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

→ No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

B6: DETERMINE STATE

1 Enter the OFF position.

2 Connect Windshield Wiper Relay - C1019.

3 Disconnect the Wiper/Washer Switch - C441.

4 Drive the ON position.

5 Check the windshield wipers.

• Windshield wipers on continuously?

→ Yes

Go to B7

→ No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

B7: INSPECT HIGH SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Measure the voltage between pin 8 of C441 wiper/washer switch circuit 32-KA11 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

REPAIR the short to power in the circuit connected to pin 8 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

→ No

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

B8: INSPECT REAR WIPER RELAY

1 Enter the OFF position.

2 Disconnect the Rear Wiper Relay - C1018.

3 Drive the ON position.

4Check the windshield wipers.

• Windshield wipers on continuously?

→ Yes

Go to B9

→ No

Go to B10

B9: CHECK WIPER/WASH SWITCH

1 Enter the OFF position.

2 Connect Rear Wiper Relay - C1018.

3 Disconnect the Wiper/Washer Switch - C441.

4 Drive the ON position.

5 Check the windshield wipers.

• Windshield wipers on continuously?

→ Yes

INSPECT the rear window wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

B10: CHECK REAR WIPER RELAY FOR PROPER OPERATION

1 INSPECT the rear window wiper relay according to the item test instructions included with this section.

• Relay OK?

→ Yes

Go to B11

→ No

INSTALL a new rear window wiper relay. CHECK the system is working properly.

B11: INSPECT REAR WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO "MASS"

1 Enter the OFF position.

2 Measure the resistance between pin 2 of the C1018 rear window wiper relay and "weight".

• Is the resistance greater than 10 kΩ?

→ Yes

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

C1: INSPECT LOW SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Windshield Wiper Motor - C848.

4 Drive the ON position.

5 Set the wiper/washer switch to "LOW SPEED CLEANING".

6 Measure the voltage between pin 5 of the C848 windshield wiper motor circuit 32-KA10 (white/green), And "weight".

• Does the battery voltage register?

→ Yes

Go to C2

→ No

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

C2: INSPECT POWER SUPPLY TO HIGH SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Set the wiper/washer switch to "HIGH SPEED CLEANING".

2 Measure the voltage between pin 4 C848 windshield wiper motor circuit 32-KA11 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

Go to C3

C3: INSPECT HIGH SPEED CLEANING CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 Measure the resistance between pin 8 of C441 wiper/washer switch circuit 32-KA11 (white/black), wiring side, and pin 4 C848 windshield wiper motor, circuit 32-KA11 (white/black), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

→ Yes

Go to C4

→ No

REPAIR short circuit (I) between the wiper/washer switch and the windshield wiper motor using the wiring diagrams. CHECK the system is working properly.

C4: CHECK FOR PROPER FUNCTIONING OF WINDSCREEN WIPER ELECTRIC

1 Connect the Windshield Wiper Motor - C848.

2 Connect the jumper wire to connector C441 of the wiper/washer switch, between pin 6, circuit 15-KA19 (green/orange), and pin 8, electrical circuit 32-KA11 (white/black), from the side of the electrical wiring.

3 Drive the ON position.

4 Check the operation of the windshield wipers.

• The windshield wiper motor is functioning properly (in high-speed cleaning mode)?

→ Yes

INSPECT the wiper/washer switch according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

D1: INSPECT CONTROL CIRCUIT TO WINDSHIELD WIPER RELAY

1 Enter the OFF position.

2 Disconnect Windshield Wiper Relay - C1019.

3 Drive the ON position.

4 Measure the voltage between C1019 pin 1 of the windshield wiper relay and "weight".

• Does the battery voltage register?

→ Yes

Go to D2

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

D2: CHECK WINDSHIELD WIPER RELAY POWER

1 Measure the voltage between C1019 pin 5 of the windshield wiper relay and "weight".

• Does the battery voltage register?

→ Yes

Go to D3

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

D3: INSPECT WINDSHIELD WIPER RELAY CONTROL CIRCUIT FOR SHORT TO POWER SUPPLY

1 Measure the voltage between C1019 pin 2 of the windshield wiper relay and "weight".

• Does the battery voltage register?

→ Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

→ No

Go to D4

D4: CHECK FOR PROPER FUNCTIONING OF WINDSCREEN WIPER RELAY

1 Enter the OFF position.

2 INSPECT the windshield wiper relays according to the item test instructions included with this section.

• Relay OK?

→ Yes

Go to D5

→ No

CHECK the system is working properly. CHECK the system is working properly.

D5: CHECK THE POWER SUPPLY OF THE INTERMITTENT CLEANING MODE TO THE CTM

1 Connect Windshield Wiper Relay - C1019.

2 CHECK the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

3 Enter the OFF position.

4 Disconnect the central connection box (CJB) - C15.

5 Drive the ON position.

6 Set the wiper/washer switch to "INTERMITTENT CLEANING".

7 Measure the voltage between pin 6 C15 CJB, circuit 8-KA19 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

→ No

Go to D6

D6: CHECK WIPER/WASHER SWITCH FUNCTIONS CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

→ Yes

With variable speed intermittent cleaning mode: Go to D7

Without variable speed intermittent cleaning mode: REPAIR short circuit (I) between C15 CJB pin 6 and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

→ No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

D7: INSPECT CONTROL CIRCUIT 8-KA18 (WHITE), TO CTM TO OPEN

1Connect Central Junction Box (CJB) - C15.

2 Disconnect the central connection box (CJB) - C11.

3 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), on the wiring side, and pin 1 C441 of the wiper/washer switch, circuit 8-KA18 (white), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

→ Yes

Go to D8

→ No

REPAIR short circuit (I) between pin 15 C11 CJB and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

D8: INSPECT CONTROL CIRCUIT 8-KA18 (WHITE), TO CTM, SHORT TO POWER SUPPLY

1 Connect Wiper/Washer Switch - C441.

2 Drive the ON position.

3 Set the wiper/washer switch to "TURNED OFF".

4 Measure the voltage between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

REPAIR the short to power in the circuit connected to pin 1 of the wiper/washer switch C441 using the wiring diagrams. CHECK the system is working properly.

→ No

Go to D9

D9: INSPECT CONTROL CIRCUIT 8-KA18 (WHITE), DIRECTIONAL TO CTM FOR A SHORT CIRCUIT ON "MASS".

1 Enter the OFF position.

2 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Is the resistance greater than 10 kΩ?

→ Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

→ No

REPAIR short circuit "mass" electrical circuit (to her), connected to pin 1 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

E1: TEST THE SYSTEM USING WDS.

1 TEST the system using WDS.

• Are any DTCs registered?

→ Yes

Process these codes. CHECK the system is working properly.

→ No

Go to E2

E2: INSPECT CLEAN AND WASH ELECTRICAL CIRCUIT TO CTM

1 Enter the OFF position.

2 Disconnect the Central Timer Module (CTM) - C1000.

3 Drive the ON position.

4 Measure the voltage at the C1000 CTM connector, between pin 27 and pin 17.

• Does the battery voltage register?

→ Yes

Go to E4

→ No

Go to E3

E3: CHECK WIPER/WASH SWITCH FUNCTIONING CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

→ Yes

REPAIR the open circuit between C1000 CTM pin 27 and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

→ No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

E4: CHECK WIPER/WASH SWITCH FUNCTIONING CORRECTLY

1 Enter the OFF position.

2 Disconnect Wiper/Washer Switch - C441.

3 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

→ Yes

Go to E5

→ No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

E5: INSPECT WASH AND WASH CIRCUIT TO WIPER/WASHER SWITCH

1 Connect Wiper/Washer Switch - C441.

2 Drive the ON position.

3 Measure the voltage at the C1000 CTM connector, between pin 29 and pin 17.

• Does the battery voltage register?

→ Yes

REPAIR open circuit 31-KA19 (black), between the wiper/washer switch and "weight" G14 using the wiring diagrams. CHECK the system is working properly.

→ No

REPAIR open circuit 32-KA6 (white/black), between the wiper/washer switch and connection S14, using the wiring diagrams. CHECK the system is working properly.

F1: DETERMINE STATE

1 Determine the equipment of the car.

• Is the vehicle equipped with rear window wipers?

→ Yes

Go to F2

→ No

Go to F3

F2: IDENTIFY THE STATE IN WHICH THE FAULT IS APPEARING.

1 Drive the ON position.

2 Set the wiper/washer switch to "REAR WINDOW WIPER" and in position "TURNED OFF".

3 Check that the windshield wipers are not in use.

• Do the rear window wipers stop in the correct off position?

→ Yes

Go to F3

→ No

INSPECT the rear window wiper motor according to the item test instructions included with this section.

F3: CHECK FOR PROPER FUNCTIONING OF WINDSCREEN WIPER RELAY

1 Enter the OFF position.

2 Disconnect Windshield Wiper Relay - C1019.

3 Connect the jumper wire to the windshield wiper relay C1019, between pin 3 and pin 4.

4 Drive the ON position.

5 Activate SINGLE CLEAR.

6 Check that the wipers are in the off position.

• Do the wipers stop in the correct off position?

→ Yes

INSTALL a new windshield wiper relay. CHECK the system is working properly.

→ No

Go to F4

F4: CHECK CIRCUIT (AND) CONTROLS TO THE WINDSHIELD WIPER MOTOR

1 Enter the OFF position.

2 Connect Windshield Wiper Relay - C1019.

3 Disconnect the Windshield Wiper Motor - C848.

4 Measure the resistance at the windshield wiper motor between C848 pin 2, circuit 32-KA9 (white/blue), and pin 5, electrical circuit 32-KA10 (white/green), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

→ Yes

Go to F5

→ No

Go to F6

F5: CHECK WIPERS OFF POWER SUPPLY TO WINDSHIELD WIPER MOTOR

1 Drive the ON position.

2 Measure the voltage between pin 3 of the C848 windshield wiper motor circuit 15-KA9 (green/red) And "weight".

• Does the battery voltage register?

→ Yes

INSPECT the windshield wiper motor according to the item test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between C17 CJB pin 1 and the windshield wiper motor using the wiring diagrams. CHECK the system is working properly.

F6: CHECK CJB

1 Disconnect the central connection box (CJB) - C14.

2 Disconnect the Central Timer Module (CTM) - C1000.

3 Disconnect Windshield Wiper Relay - C1019.

4 Measure resistance at CJB, between C14 pin 9, CJB side and

- pin 4 C1019 of the windshield wiper relay.

- pin 7 C1000 CTM.

• Is the resistance less than 2 ohms in both cases?

→ Yes

Go to F7

→ No

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

F7: INSPECT ELECTRICAL CIRCUIT TO WINDSHIELD WIPER MOTOR

1 Measure the resistance between pin 9 C14 CJB, circuit 32-KA9 (white/blue), wiring side, and pin 2 C848 windshield wiper motor, circuit 32-KA9 (white/blue), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

→ Yes

Go to F8

→ No

REPAIR short circuit (I) between C14 CJB pin 9 and the windshield wiper motor using the wiring diagrams. CHECK the system is working properly.

F8: INSPECT WIPER/WASH SWITCH

1 Disconnect Wiper/Washer Switch - C441.

2 INSPECT the wiper/washer switch according to the component test instructions included with this section. If necessary, INSTALL the new element. CHECK the system is working properly.

• Is the wiper/washer switch OK?

→ Yes

REPAIR open circuit 32-KA19 (white/black), between the wiper/washer switch and the windshield wiper relay, using the wiring diagrams. CHECK the system is working properly.

→ No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

G1: CHECK CJB

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Central Timer Module (CTM) - C1000.

4 Disconnect the double acting windscreen washer pump motor - C828.

5 Drive the ON position.

6 Measure the voltage at the C1000 CTM connector, between pin 27 and pin 17.

• Does the battery voltage register?

→ Yes

Go to G2

→ No

Check out CJB. If necessary, INSTALL the new element. CHECK the system is working properly.

G2: INSPECT CLEAN AND WASH CIRCUIT TO CTM

1 Enter the OFF position.

2 Disconnect the central connection box (CJB) - C14.

3 Drive the ON position.

4 Measure the voltage between pin 1 C14 CJB, circuit 32-KA6A (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between C14 CJB pin 1 and S14 connection using the wiring diagrams. CHECK the system is working properly.

H1: CHECK CIRCUIT TO WASHER PUMP MOTOR FOR OPEN

1 Enter the OFF position.

2 Disconnect the double acting windscreen washer pump motor - C828.

3 Drive the ON position.

4 Measure the voltage between pin 1 of the C828 double-acting washer pump motor, circuit 32-KA34 (white/black), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Go to H2

→ No

REPAIR short circuit (I) between the double-acting washer pump motor and connection S14, using the wiring diagrams. CHECK the system is working properly.

H2: CHECK CIRCUIT TO DOUBLE ACTING WASHER PUMP MOTOR FOR OPEN

1 Measure the voltage between pin 2 of C828 double-acting washer pump motor circuit 33-KA34 (yellow/black), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

INSPECT double acting windshield washer pump motor. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between pin 2 of the C828 washer pump motor and the CJB, using the wiring diagrams. CHECK the system is working properly.

I1: CHECK WIPER/WASH SWITCH FUNCTIONING CORRECTLY

1 TEST the system using WDS. If any DTCs are set, deal with those codes. CHECK the system is working properly. If the system fails again, perform the following test steps.

2 Enter the OFF position.

3 Disconnect the Wiper/Washer Switch - C441.

4 INSPECT the wiper/washer switch according to the component test instructions included with this section.

• Is the switch OK?

→ Yes

Go to I2

→ No

INSTALL a new wiper/washer switch. CHECK the system is working properly.

I2: INSPECT ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO CTM

1 Disconnect the central connection box (CJB) - C11.

2 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), on the wiring side, and pin 1 C441 of the wiper/washer switch, circuit 8-KA18 (white), from the side of the electrical wiring.

• Is the resistance less than 2 ohms?

→ Yes

Go to I4

→ No

REPAIR short circuit (I) between pin 15 C11 CJB and the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

I3: CHECK ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO CTM FOR A SHORT TO POWER SUPPLY

1 Connect Wiper/Washer Switch - C441.

2 Drive the ON position.

3 Set the wiper/washer switch to "TURNED OFF".

4 Measure the voltage between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

REPAIR short to circuit power supply (to her), connected to pin 1 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

→ No

Go to I4

I4: INSPECT ADJUSTABLE INTERMITTENT CLEANING CIRCUIT TO CTM FOR A SHORT TO "MASS"

1 Enter the OFF position.

2 Measure the resistance between pin 15 C11 CJB, circuit 8-KA18 (white), from the wiring side, and "weight".

• Is the resistance greater than 10 kΩ?

→ Yes

Check CJB If necessary, INSTALL a new element. CHECK the system is working properly.

→ No

REPAIR short circuit "mass" electrical circuit (to her), connected to pin 1 C441 of the wiper/washer switch using the wiring diagrams. CHECK the system is working properly.

J1: CHECK POWER SUPPLY TO HEADLIGHT WASHER RELAY

1 Enter the OFF position.

2 Disconnect Headlight Washer Relay - C1004.

3 Drive the ON position.

4 Measure the voltage between C1004 headlight washer relay pin 2 and "weight".

• Does the battery voltage register?

→ Yes

Go to J4

→ No

Go to J2

J2: CHECK FUSE F13

1 Enter the OFF position.

2CHECK Fuse F13 (BJB).

3 CHECK FUSE F13 (30 A)

• Is the fuse good?

→ Yes

Go to J3

→ No

Install new fuse F13 (30 A). If the fuse blows again, LOCATE and REPAIR the short circuit using the wiring diagrams. CHECK the system is working properly.

J3: CHECK POWER SUPPLY OF F13 FUSE

1 Drive the ON position.

2 Measure voltage between fuse F13 (BJB) And "weight".

• Does the battery voltage register?

→ Yes

Go to J4

→ No

Check BJB If necessary, INSTALL a new element. CHECK the system is working properly.

J4: CHECK CONTROL CIRCUIT (WHEN THE HEADLIGHTS ARE ON), TO THE HEADLIGHT WASHER RELAY

1 Enter the OFF position.

2 Connect Fuse F13 (BJB).

3 Drive the ON position.

4 Set the light switch to "DIPPED HEADLIGHTS".

5 Measure the voltage between C1004 headlight washer relay pin 5 and "weight".

• Does the battery voltage register?

→ Yes

Go to J5

→ No

REPAIR short circuit (I) between the light switch and the headlight washer relay using the wiring diagrams. CHECK the system is working properly.

J5: CHECK HEADLIGHT WASHER RELAY GROUND CONNECTION

1 Set the light switch to "TURNED OFF".

2 Enter the OFF position.

3 Measure the resistance between C1004 headlight washer relay pin 1 and "weight".

• Is the resistance less than 2 ohms?

→ Yes

Go to J6

→ No

REPAIR short circuit (I) between the headlight washer relay and "weight" G37 using the wiring diagrams. CHECK the system is working properly.

J6: INSPECT WASHER CIRCUIT TO HEADLIGHT WASHER RELAY

1 Drive the ON position.

2 Measure the voltage between pin 3 of the C1004 headlight washer relay circuit 32-KA22 (white/red) And "weight".

• Does the battery voltage register?

→ Yes

Go to J7

→ No

REPAIR short circuit (I) between pin 3 of the headlight washer relay C1004 and connection S14, using the wiring diagrams. CHECK the system is working properly.

J7: INSPECT HEADLIGHT WASH PUMP.

1 Connect Headlight Washer Relay - C1004.

2 Disconnect the headlight washer pump motor - C745.

3 Drive the ON position.

4 Set the light switch to "DIPPED HEADLIGHTS".

5 Operate the WINDSHIELD WASHER during measurement.

6 Measure the voltage between C745 pin 1 of the headlight washer pump motor circuit 15S-KA21 (green/yellow), from the wiring side, and "weight".

• Does the battery voltage register?

→ Yes

Go to J8

→ No

REPAIR the open circuit between C1004 headlamp washer relay pin 4 and the headlamp washer pump motor using the wiring diagrams. CHECK the system is working properly.

J8: CHECK HEADLIGHT WASH PUMP GROUND CONNECTION

1 Enter the OFF position.

2 Measure the resistance between pin 2 of C745 headlight washer pump motor circuit 31-KA21 (black), from the wiring side, and "weight".

• Is the resistance less than 2 ohms?

→ Yes

INSPECT headlight washer pump motor. If necessary, INSTALL the new element. CHECK the system is working properly.

→ No

REPAIR short circuit (I) between the headlight washer pump motor and "weight" G37 using the wiring diagrams. CHECK the system is working properly.